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Species: Enneanectes flavus, Yellow Triplefin

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rear body and C: yellowish
body bars 3 & 4 closer than 4 & 5

Enneanectes flavus Victor, 2019

Yellow Triplefin

Head moderate, body robust; snout blunt, short, usually much less than eye; front of eye and around nostrils spiny; a short, elongate, blunt cirrus over eye, no cirri on nape; no teeth on sides of roof of mouth; 3 dorsal fins: III + XII-XIII + 8-9, first fin usually short, usually not reaching base of 2nd spine of 2nd dorsal fin, except in large males, normally some soft rays branched; anal fin II, 16 -17; pectoral 15 (15-16); pelvics I (imbedded), 2; lateral line in 2 straight, slightly overlapping sections, scales on front part pored 15-16, those on rear part notched, 19-23; cheek, pectoral base and belly unscaled;body scales rough; 3 rows of scales (top row small) scales between straight part of lateral line and base of dorsal fin.

Body and head brown, sometimes with reddish tones, particularly on head; rear of body and tail fin yellowish; iris with red radiating bars; 5 dark bars on body and tail base, 3rd and 4th much closer together than 4th and 5th, a fainter accessory dark bar between 4th and 5th; second dorsal fin with 3 round dark spots on its base, outer edge dark; male with black 1st and 2nd dorsal fin; anal fin with 3-4 dark blotches, at times all black; tail fin with 2 dark bars, separated by a narrow whitish bar, those dark bars variably black, black with red centers, red or yellow-brown.

Reaches 2.6 cm.

Lives in coral formations.

Depth range: 1-10 m.

NE Venezuela to Tobago

Note: Similar to E. deloachorum

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef only
  • Rocks
  • Corals
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Zooplankton
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
  • Sessile crustacea
  • Sessile molluscs
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Caribbean endemic
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 2.6
Depth Range Min
  • 1
Depth Range Max
  • 10